private void Timer_Elapsed(object sender, ElapsedEventArgs e)
        {
            var fullName = ActiveWindowHandler.Application();

            if (string.IsNullOrWhiteSpace(fullName))
            {
                return;
            }

            WindowEvent userActivityEvent = new WindowEvent
            {
                FullName = fullName,
                Icon     = ActiveWindowHandler.GetIconAsPng(fullName),
                Name     = ActiveWindowHandler.GetFileName(fullName),
                Title    = ActiveWindowHandler.Title(),
                DateTime = DateTime.Now
            };

            if (!userActivityEvent.Equals(lastActivityEvent))
            {
                lastActivityEvent = userActivityEvent;
                WindowActivitySnapshot?.Invoke(this, userActivityEvent);
            }
        }